CHAPTER 6: MAINTENANCE OF ELECTRICAL SYSTEMS AND CIRCUITS
TM 9-2350-256-20
6-45 REPLACE/REPAIR GAGE PANEL TO BULKHEAD WIRING HARNESS (DUAL
VOLTAGE) (123225873
THIS TASK COVERS
a. Removal
b. Disassembly
c. Assembly
d. Installation
INITIAL SET-UP
Tools:
Parts-Continued:
Tool kit, general mechanic's (Appendix C, item 53)
Lockwashers (19) (Appendix G, item 116)
Lockwashers (4) (Appendix G, item 120)
Parts:
Gasket (Appendix G, item 80)
Equipment Condition:
Lockwashers (4) (Appendix G, item 104)
Air cleaner removed (see paragraph 4-24)
WARNING
Be certain MASTER switch is OFF when working on electrical systems to avoid electrical shock and bums.
Connector No.
Electrical Lead To:
Wire No.
1
Gage panel
509, 324, 321, 36, 33,
31, 72A, 30, 40, 27, 510
2
APU control box to foot dimmer switch and bulkhead wiring
26
harness (dual voltage) (11672466)
3
Powerpack warning horn relay
509, 26, 26A
4
Powerpack warning horn assembly
26A
5
Bulkhead disconnect
627, 510, 509, 324,
321,36, 33, 31
6
Mechanical transmission low oil pressure switch
72A, GND
7
Ground
GND
8
Fuel tank transmitter
30
9
Power control switch
627
10
Switch panel to gage panel and miscellaneous switches wiring
40
harness (12322547)
11
Switch panel to gage panel and miscellaneous switches wiring
27
harness (12322547)
6-94